Climate almanac
Quincy
Illinois, United States · 39.94°, -91.41°
What is the weather like in Quincy in October?
In October, Quincy is typically 69°F (20°C) during the day and 49°F (9°C) at night. The month brings about 3.5 in (88 mm) of precipitation in total. Snowfall averages about 0.7 in (18 mm) over the month.
- Average high69°F (20°C)
- Average low49°F (9°C)
- Precipitation3.5 in (88 mm)
- Clear or mostly clear days13
- Snowfall0.7 in (18 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)